#include<stdio.h>
#include<sys/types.h>
#include<unistd.h>
#define MAX 100
int main()
{
	int i = MAX;
	for(; i >= 0; i--)
	{
		printf("当前进程：%d\n",getpid());
		fflush(stdout);
 		sleep(2);
	}
	return 0;
}
